(19)
(11) EP 1 290 823 A1

(12)

(43) Date of publication:
12.03.2003 Bulletin 2003/11

(21) Application number: 02741783.1

(22) Date of filing: 03.06.2002
(51) International Patent Classification (IPC)7H04L 9/32, H04L 9/00, H04K 1/00, G06F 17/60
(86) International application number:
PCT/US0217/188
(87) International publication number:
WO 0210/1983 (19.12.2002 Gazette 2002/51)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 07.06.2001 US 296117 P
07.06.2001 US 296118 P
07.06.2001 US 296113 P
20.11.2001 US 331625 P
17.01.2002 US 46695

(71) Applicant: ContentGuard Holdings, Inc.
Wilmington,Delaware 19803 (US)

(72) Inventors:
  • WANG, Xin
    Los Angeles, CA 90007 (US)
  • TADAYON, Bijan
    Germantown, MD 20876 (US)
  • DEMARTINI, Thomas
    Culver City, CA 90230 (US)
  • RALEY, Michael
    Downey, CA 90242 (US)
  • LAO, Guillermo
    Torrance, CA 90503 (US)
  • CHEN, Eddie
    Rancho Palos Verdes, CA 90275 (US)
  • GILLIAM, Charles
    Darien, CT 06820 (US)

(74) Representative: Grünecker, Kinkeldey, Stockmair & SchwanhäusserAnwaltssozietät 
Maximilianstrasse 58
80538 München
80538 München (DE)

   


(54) METHOD AND APPARATUS FOR DISTRIBUTING ENFORCEABLE PROPERTY RIGHTS